Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Firefox Secure Connection Failed Malware Warnings
If you see a "Secure Connection Failed" error in Firefox and suspect malware, it's of...
Windows 11 Installation Assistant Stuck at 99%: Fixes That Work
You’re upgrading to Windows 11 via the Installation Assistant, and it gets stuck at 99%. The prog...
Fix Git Lock File Not Deleted After Crash
If Git reports a lock file error after a crash, it usually means a previous Git operation was int...
Fix ERR_CONNECTION_RESET in Chrome: Step-by-Step Guide
If you see ERR_CONNECTION_RESET in Chrome, it means the connection was interrupt...
Fix Git Authentication Failed in VS Code on Linux
You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...
Issue queue
SitemapFix Edge Sync Not Working After Update
How to Restore VSCode's Integrated Terminal Panel
How to Enable Windows Defender Real-Time Protection
Windows Update Service Not Listed in Services.msc
How to Fix pnpm ERR! Unsupported URL Type
How to Handle UTF-16 Encoding in Python
How to Override pip's Externally Managed Restriction
Resolving Pip Externally Managed Environment Error
VSCode IntelliSense Not Working for Dart/Flutter: Fixes
How to Fix Node Version Incompatible with Package Error
How to Stop Antivirus Blocking Windows 11 Installation
How to Set Timeout in Python Requests
How to Restore VSCode's Integrated Terminal Panel
How to Enable Windows Defender Real-Time Protection
Windows Update Service Not Listed in Services.msc
How to Fix pnpm ERR! Unsupported URL Type
How to Handle UTF-16 Encoding in Python
How to Override pip's Externally Managed Restriction
Resolving Pip Externally Managed Environment Error
VSCode IntelliSense Not Working for Dart/Flutter: Fixes
How to Fix Node Version Incompatible with Package Error
How to Stop Antivirus Blocking Windows 11 Installation
How to Set Timeout in Python Requests